--- a/mercurial/commands.py	Sat Jun 23 12:05:00 2007 +0200
+++ b/mercurial/commands.py	Sat Jun 23 20:21:10 2007 +0200
@@ -3090,13 +3090,13 @@
           " debugindex debugindexdot debugdate debuginstall")
 optionalrepo = ("paths serve showconfig")
 
-def dispatch(args):
+def dispatch(args, argv0=None):
     try:
         u = ui.ui(traceback='--traceback' in args)
     except util.Abort, inst:
         sys.stderr.write(_("abort: %s\n") % inst)
         return -1
-    return cmdutil.runcatch(u, args)
+    return cmdutil.runcatch(u, args, argv0=argv0)
 
 def run():
-    sys.exit(dispatch(sys.argv[1:]))
+    sys.exit(dispatch(sys.argv[1:], argv0=sys.argv[0]))